Human activity recognition from 3d data: A review

JK Aggarwal, L Xia - Pattern Recognition Letters, 2014 - Elsevier
Human activity recognition has been an important area of computer vision research since
the 1980s. Various approaches have been proposed with a great portion of them addressing …

A review of visual inertial odometry from filtering and optimisation perspectives

J Gui, D Gu, S Wang, H Hu - Advanced Robotics, 2015 - Taylor & Francis
Visual inertial odometry (VIO) is a technique to estimate the change of a mobile platform in
position and orientation overtime using the measurements from on-board cameras and IMU …

SVO: Semidirect visual odometry for monocular and multicamera systems

C Forster, Z Zhang, M Gassner… - IEEE Transactions …, 2016 - ieeexplore.ieee.org
Direct methods for visual odometry (VO) have gained popularity for their capability to exploit
information from all intensity gradients in the image. However, low computational speed as …

ORB-SLAM: a versatile and accurate monocular SLAM system

R Mur-Artal, JMM Montiel… - IEEE transactions on …, 2015 - ieeexplore.ieee.org
This paper presents ORB-SLAM, a feature-based monocular simultaneous localization and
mapping (SLAM) system that operates in real time, in small and large indoor and outdoor …

Stereo DSO: Large-scale direct sparse visual odometry with stereo cameras

R Wang, M Schworer… - Proceedings of the IEEE …, 2017 - openaccess.thecvf.com
Abstract We propose Stereo Direct Sparse Odometry (Stereo DSO) as a novel method for
highly accurate real-time visual odometry estimation of large-scale environments from stereo …

Large-scale direct SLAM with stereo cameras

J Engel, J Stückler, D Cremers - 2015 IEEE/RSJ international …, 2015 - ieeexplore.ieee.org
We propose a novel Large-Scale Direct SLAM algorithm for stereo cameras (Stereo LSD-
SLAM) that runs in real-time at high frame rate on standard CPUs. In contrast to sparse …

Large-scale direct SLAM for omnidirectional cameras

D Caruso, J Engel, D Cremers - 2015 IEEE/RSJ international …, 2015 - ieeexplore.ieee.org
We propose a real-time, direct monocular SLAM method for omnidirectional or wide field-of-
view fisheye cameras. Both tracking (direct image alignment) and mapping (pixel-wise …

Visual SLAM: why filter?

H Strasdat, JMM Montiel, AJ Davison - Image and Vision Computing, 2012 - Elsevier
While the most accurate solution to off-line structure from motion (SFM) problems is
undoubtedly to extract as much correspondence information as possible and perform batch …

A multi-state constraint Kalman filter for vision-aided inertial navigation

AI Mourikis, SI Roumeliotis - Proceedings 2007 IEEE …, 2007 - ieeexplore.ieee.org
In this paper, we present an extended Kalman filter (EKF)-based algorithm for real-time
vision-aided inertial navigation. The primary contribution of this work is the derivation of a …

Visual-inertial sensor fusion: Localization, mapping and sensor-to-sensor self-calibration

J Kelly, GS Sukhatme - The International Journal of Robotics …, 2011 - journals.sagepub.com
Visual and inertial sensors, in combination, are able to provide accurate motion estimates
and are well suited for use in many robot navigation tasks. However, correct data fusion, and …